Awud Alsikh Hamed2018-10-092018-10-092005http://hdl.handle.net/123456789/13120Master Degree ln Physics(Einstein fiellf equation of genel'a[ refiztiuity succeeded in zfeserifiing a numfier of gravitationaf p/ienomena in agreement wit/Z astr0pfi_ysica[measurements. 'Unfortullatel:y, it is sufler from fieing isoQ1tezffi'o1n tfie otfzer Erancfies of p/zysics fiecause tfie fiiw of tfze conservation of energy and momentum is not satilsfiezi jllso t/ie cosmofogicaf appfication of QR gives many profifiznzs wfiicfi neeef solution, so generafizezffiefif equation usezf for tfizlspuqzose. - In tfiis t/zesis s0[ution of some pro5[ems are introcfuce namefy quantization qfgrwuitationaf waves, quantization of radiatiozz, matter amt" inflation eras. {Non-[inenr equation 'wi[[ /iefpfitffy wgpfilin tfie quantization during inffiltion, razfiation, and matter eras.enPhysicsThesis